While Eli Manning plays Super Bowl host to his big brother Peyton this week, the Giants’ impending change in offense isn’t far from his mind.

Manning said Wednesday the uncertainty of what new offensive coordinator Ben McAdoo’s West Coast scheme will look like has made for an offseason like none other in his 10-year NFL career.

“It’s really my first time going into an offseason not knowing exactly what you’re doing,” Manning said at an Upper East Side sponsor appearance. “I mean, we’re going to have a new offense. I’m not worried about that, but there’s going to be extra work to make sure it works.”

Manning said he met with McAdoo before Tom Coughlin hired the former Packers assistant, an indication Manning had at least some input into the decision to have McAdoo replace the retired Kevin Gilbride following the Giants’ disappointing 7-9 finish.

Manning said the only experience he has in the West Coast offense — with its emphasis on short throws and timing — was very brief and came in last year’s Pro Bowl, when he replaced Aaron Rodgers on the NFC team coached by the Packers’ Mike McCarthy.

Manning said he is eager to see what McAdoo’s version of the West Coast looks like, but indicated it is still early in the formulation stage.

“Obviously, Coach Gilbride and his offense are the only thing I know,” Manning said. “This will be different. I don’t know if we’ll keep some concepts or just get rid of everything. I think they’re still figuring it out also. I guess we’ll see when we come back in April [for offseason workouts] what we’re going to be doing and how things are going to work out.”